@article{HAO Li-sha_507, author = {HAO Li-sha, ZHAO Yuan}, title = {Africa's position shift in world oil supply pattern}, publisher = {GEOGRAPHICAL RESEARCH}, year = {2012}, journal = {GEOGRAPHICAL RESEARCH}, volume = {31}, number = {3}, eid = {507}, pages = {507-520}, keywords = {

Africa;oil supply;position shift;boxplots;spatial cluster analysis;oil cooperation

}, doi = https://www.dlyj.ac.cn/EN/10.11821/yj2012030012 }